Polltech Instruments manufactures Top Loading Orifice Calibrator. Polltech Instruments also manufactures various types of duct and stack monitoring system, workplace monitoring instruments, pressure and flow instruments, radiation monitoring instruments etc. The Top Loading Orifice Calibrator, Model TLOC 2, is designed for calibrating precisely the blower flow of high volume sampler [HVS] and respirable dust sampler [RDS] of all standard manufacturers. The Top Loading Orifice Calibrator is designed for ease of operation and attaches directly to the top of a standard filter holder. This Orifice Calibrator consists of a base plate, which can be fixed to the filter holder. This Orifice Calibrator has digital display.
